I don't really see KRS's influence on alot of emcees today. He had his own unique unorthodox flow.
If we're talking about strictly substance wise then yeah, I can definitely see KRS's influence on cats like Nas, Kweli, Lupe, Native Tongues, Dead Prez, Mos def, Common etc.... KRS is thee original Teacha emcee. When I think of the term
"conscious emcee" KRS is usually the first image that pops into my mind.
I think KRS and Pac are similar in the sense that they both didn't have complicated rhyme schemes but they were able convey a large range of emotion and substance in their music. Sometimes WHAT you say is more important than how FANCY you put words together.